Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/drivers/ide/pci/hpt34x.c Version 0.40 Sept 10, 2002 |
| 3 | * |
| 4 | * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org> |
| 5 | * May be copied or modified under the terms of the GNU General Public License |
| 6 | * |
| 7 | * |
| 8 | * 00:12.0 Unknown mass storage controller: |
| 9 | * Triones Technologies, Inc. |
| 10 | * Unknown device 0003 (rev 01) |
| 11 | * |
| 12 | * hde: UDMA 2 (0x0000 0x0002) (0x0000 0x0010) |
| 13 | * hdf: UDMA 2 (0x0002 0x0012) (0x0010 0x0030) |
| 14 | * hde: DMA 2 (0x0000 0x0002) (0x0000 0x0010) |
| 15 | * hdf: DMA 2 (0x0002 0x0012) (0x0010 0x0030) |
| 16 | * hdg: DMA 1 (0x0012 0x0052) (0x0030 0x0070) |
| 17 | * hdh: DMA 1 (0x0052 0x0252) (0x0070 0x00f0) |
| 18 | * |
| 19 | * ide-pci.c reference |
| 20 | * |
| 21 | * Since there are two cards that report almost identically, |
| 22 | * the only discernable difference is the values reported in pcicmd. |
| 23 | * Booting-BIOS card or HPT363 :: pcicmd == 0x07 |
| 24 | * Non-bootable card or HPT343 :: pcicmd == 0x05 |
| 25 | */ |
| 26 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | #include <linux/module.h> |
| 28 | #include <linux/types.h> |
| 29 | #include <linux/kernel.h> |
| 30 | #include <linux/delay.h> |
| 31 | #include <linux/timer.h> |
| 32 | #include <linux/mm.h> |
| 33 | #include <linux/ioport.h> |
| 34 | #include <linux/blkdev.h> |
| 35 | #include <linux/hdreg.h> |
| 36 | #include <linux/interrupt.h> |
| 37 | #include <linux/pci.h> |
| 38 | #include <linux/init.h> |
| 39 | #include <linux/ide.h> |
| 40 | |
| 41 | #include <asm/io.h> |
| 42 | #include <asm/irq.h> |
| 43 | |
| 44 | #define HPT343_DEBUG_DRIVE_INFO 0 |
| 45 | |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 46 | static void hpt34x_set_mode(ide_drive_t *drive, const u8 speed) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | { |
| 48 | struct pci_dev *dev = HWIF(drive)->pci_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | u32 reg1= 0, tmp1 = 0, reg2 = 0, tmp2 = 0; |
| 50 | u8 hi_speed, lo_speed; |
| 51 | |
| 52 | hi_speed = speed >> 4; |
| 53 | lo_speed = speed & 0x0f; |
| 54 | |
| 55 | if (hi_speed & 7) { |
| 56 | hi_speed = (hi_speed & 4) ? 0x01 : 0x10; |
| 57 | } else { |
| 58 | lo_speed <<= 5; |
| 59 | lo_speed >>= 5; |
| 60 | } |
| 61 | |
| 62 | pci_read_config_dword(dev, 0x44, ®1); |
| 63 | pci_read_config_dword(dev, 0x48, ®2); |
| 64 | tmp1 = ((lo_speed << (3*drive->dn)) | (reg1 & ~(7 << (3*drive->dn)))); |
Bartlomiej Zolnierkiewicz | 296d9bc | 2007-02-17 02:40:20 +0100 | [diff] [blame] | 65 | tmp2 = ((hi_speed << drive->dn) | (reg2 & ~(0x11 << drive->dn))); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | pci_write_config_dword(dev, 0x44, tmp1); |
| 67 | pci_write_config_dword(dev, 0x48, tmp2); |
| 68 | |
| 69 | #if HPT343_DEBUG_DRIVE_INFO |
| 70 | printk("%s: %s drive%d (0x%04x 0x%04x) (0x%04x 0x%04x)" \ |
| 71 | " (0x%02x 0x%02x)\n", |
| 72 | drive->name, ide_xfer_verbose(speed), |
| 73 | drive->dn, reg1, tmp1, reg2, tmp2, |
| 74 | hi_speed, lo_speed); |
| 75 | #endif /* HPT343_DEBUG_DRIVE_INFO */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | } |
| 77 | |
Bartlomiej Zolnierkiewicz | 26bcb87 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 78 | static void hpt34x_set_pio_mode(ide_drive_t *drive, const u8 pio) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | { |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 80 | hpt34x_set_mode(drive, XFER_PIO_0 + pio); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | } |
| 82 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | /* |
| 84 | * If the BIOS does not set the IO base addaress to XX00, 343 will fail. |
| 85 | */ |
| 86 | #define HPT34X_PCI_INIT_REG 0x80 |
| 87 | |
| 88 | static unsigned int __devinit init_chipset_hpt34x(struct pci_dev *dev, const char *name) |
| 89 | { |
| 90 | int i = 0; |
| 91 | unsigned long hpt34xIoBase = pci_resource_start(dev, 4); |
| 92 | unsigned long hpt_addr[4] = { 0x20, 0x34, 0x28, 0x3c }; |
| 93 | unsigned long hpt_addr_len[4] = { 7, 3, 7, 3 }; |
| 94 | u16 cmd; |
| 95 | unsigned long flags; |
| 96 | |
| 97 | local_irq_save(flags); |
| 98 | |
| 99 | pci_write_config_byte(dev, HPT34X_PCI_INIT_REG, 0x00); |
| 100 | pci_read_config_word(dev, PCI_COMMAND, &cmd); |
| 101 | |
Alan Cox | 9702b5d | 2007-07-20 01:11:54 +0200 | [diff] [blame] | 102 | if (cmd & PCI_COMMAND_MEMORY) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xF0); |
Alan Cox | 9702b5d | 2007-07-20 01:11:54 +0200 | [diff] [blame] | 104 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | |
| 107 | /* |
| 108 | * Since 20-23 can be assigned and are R/W, we correct them. |
| 109 | */ |
| 110 | pci_write_config_word(dev, PCI_COMMAND, cmd & ~PCI_COMMAND_IO); |
| 111 | for(i=0; i<4; i++) { |
| 112 | dev->resource[i].start = (hpt34xIoBase + hpt_addr[i]); |
| 113 | dev->resource[i].end = dev->resource[i].start + hpt_addr_len[i]; |
| 114 | dev->resource[i].flags = IORESOURCE_IO; |
| 115 | pci_write_config_dword(dev, |
| 116 | (PCI_BASE_ADDRESS_0 + (i * 4)), |
| 117 | dev->resource[i].start); |
| 118 | } |
| 119 | pci_write_config_word(dev, PCI_COMMAND, cmd); |
| 120 | |
| 121 | local_irq_restore(flags); |
| 122 | |
| 123 | return dev->irq; |
| 124 | } |
| 125 | |
| 126 | static void __devinit init_hwif_hpt34x(ide_hwif_t *hwif) |
| 127 | { |
Bartlomiej Zolnierkiewicz | 26bcb87 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 128 | hwif->set_pio_mode = &hpt34x_set_pio_mode; |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 129 | hwif->set_dma_mode = &hpt34x_set_mode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | } |
| 131 | |
Bartlomiej Zolnierkiewicz | 4db90a1 | 2008-01-25 22:17:18 +0100 | [diff] [blame] | 132 | #define IDE_HFLAGS_HPT34X \ |
| 133 | (IDE_HFLAG_NO_ATAPI_DMA | \ |
| 134 | IDE_HFLAG_ABUSE_SET_DMA_MODE | \ |
| 135 | IDE_HFLAG_NO_AUTODMA) |
| 136 | |
Bartlomiej Zolnierkiewicz | 8562043 | 2007-10-20 00:32:34 +0200 | [diff] [blame] | 137 | static const struct ide_port_info hpt34x_chipsets[] __devinitdata = { |
Bartlomiej Zolnierkiewicz | 5f8b6c3 | 2007-10-19 00:30:07 +0200 | [diff] [blame] | 138 | { /* 0 */ |
| 139 | .name = "HPT343", |
| 140 | .init_chipset = init_chipset_hpt34x, |
| 141 | .init_hwif = init_hwif_hpt34x, |
| 142 | .extra = 16, |
Bartlomiej Zolnierkiewicz | 4db90a1 | 2008-01-25 22:17:18 +0100 | [diff] [blame] | 143 | .host_flags = IDE_HFLAGS_HPT34X, |
Bartlomiej Zolnierkiewicz | 5f8b6c3 | 2007-10-19 00:30:07 +0200 | [diff] [blame] | 144 | .pio_mask = ATA_PIO5, |
| 145 | }, |
| 146 | { /* 1 */ |
| 147 | .name = "HPT345", |
| 148 | .init_chipset = init_chipset_hpt34x, |
| 149 | .init_hwif = init_hwif_hpt34x, |
| 150 | .extra = 16, |
Bartlomiej Zolnierkiewicz | 4db90a1 | 2008-01-25 22:17:18 +0100 | [diff] [blame] | 151 | .host_flags = IDE_HFLAGS_HPT34X | IDE_HFLAG_OFF_BOARD, |
Bartlomiej Zolnierkiewicz | 5f8b6c3 | 2007-10-19 00:30:07 +0200 | [diff] [blame] | 152 | .pio_mask = ATA_PIO5, |
| 153 | #ifdef CONFIG_HPT34X_AUTODMA |
| 154 | .swdma_mask = ATA_SWDMA2, |
| 155 | .mwdma_mask = ATA_MWDMA2, |
| 156 | .udma_mask = ATA_UDMA2, |
| 157 | #endif |
| 158 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | }; |
| 160 | |
| 161 | static int __devinit hpt34x_init_one(struct pci_dev *dev, const struct pci_device_id *id) |
| 162 | { |
Bartlomiej Zolnierkiewicz | 8562043 | 2007-10-20 00:32:34 +0200 | [diff] [blame] | 163 | const struct ide_port_info *d; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | u16 pcicmd = 0; |
| 165 | |
| 166 | pci_read_config_word(dev, PCI_COMMAND, &pcicmd); |
| 167 | |
Bartlomiej Zolnierkiewicz | 5f8b6c3 | 2007-10-19 00:30:07 +0200 | [diff] [blame] | 168 | d = &hpt34x_chipsets[(pcicmd & PCI_COMMAND_MEMORY) ? 1 : 0]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 169 | |
| 170 | return ide_setup_pci_device(dev, d); |
| 171 | } |
| 172 | |
Bartlomiej Zolnierkiewicz | 9cbcc5e | 2007-10-16 22:29:56 +0200 | [diff] [blame] | 173 | static const struct pci_device_id hpt34x_pci_tbl[] = { |
| 174 | { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT343), 0 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | { 0, }, |
| 176 | }; |
| 177 | MODULE_DEVICE_TABLE(pci, hpt34x_pci_tbl); |
| 178 | |
| 179 | static struct pci_driver driver = { |
| 180 | .name = "HPT34x_IDE", |
| 181 | .id_table = hpt34x_pci_tbl, |
| 182 | .probe = hpt34x_init_one, |
| 183 | }; |
| 184 | |
Bartlomiej Zolnierkiewicz | 82ab1ee | 2007-01-27 13:46:56 +0100 | [diff] [blame] | 185 | static int __init hpt34x_ide_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | { |
| 187 | return ide_pci_register_driver(&driver); |
| 188 | } |
| 189 | |
| 190 | module_init(hpt34x_ide_init); |
| 191 | |
| 192 | MODULE_AUTHOR("Andre Hedrick"); |
| 193 | MODULE_DESCRIPTION("PCI driver module for Highpoint 34x IDE"); |
| 194 | MODULE_LICENSE("GPL"); |